package com.jvm.d3;

/**
 * 描述:
 *
 * @author luzhongfu
 * Created by lucky on 2019-10-11 3:56 PM
 */
public class Merchant {
    public Number actionPrice(double price, Customer customer) {
        return 0.8*1;
    }

    public static void main(String[] args) {

    }
}
